<template>
	<!--地址picker-->
	<view :status="checkStatus" v-if="lotusAddressData.visible" class="lotus-address-mask">
		<view :class="lotusAddressData.visible?'lotus-address-box':'lotus-address-box lotus-address-box-out'">
			<view class="lotus-address-action">
				<text @tap="cancelPicker" class="lotus-address-action-cancel">{{$t('cancel')}}</text>
				<text @tap="chosedVal" class="lotus-address-action-affirm">{{$t('confirm')}}</text>
			</view>
			<view class="lotus-address-picker-box">
				<!--省-->
				<scroll-view scroll-y :scroll-into-view="'pid'+pChoseIndex" class="lotus-address-picker-box-item">
					<view @tap="clickPicker(0,pIndex,pItem);" :id="'pid'+pIndex"
						:class="pIndex === pChoseIndex?'lotus-address-picker lotus-address-picker2':'lotus-address-picker'"
						v-for="(pItem,pIndex) in province" :key="pIndex">{{pItem}}</view>
				</scroll-view>
				<!--市-->
				<scroll-view scroll-y :scroll-into-view="'cid'+cChoseIndex" class="lotus-address-picker-box-item">
					<view @tap="clickPicker(1,cIndex,cItem);" :id="'cid'+cIndex"
						:class="cIndex === cChoseIndex?'lotus-address-picker lotus-address-picker2':'lotus-address-picker'"
						v-for="(cItem,cIndex) in city" :key="cIndex">{{cItem}}</view>
				</scroll-view>
				<!--区-->
				<scroll-view scroll-y :scroll-into-view="'tid'+tChoseIndex" class="lotus-address-picker-box-item">
					<view @tap="clickPicker(2,tIndex,tItem);" :id="'tid'+tIndex"
						:class="tIndex === tChoseIndex?'lotus-address-picker lotus-address-picker2':'lotus-address-picker'"
						v-for="(tItem,tIndex) in town" :key="tIndex">{{tItem}}</view>
				</scroll-view>
				<!--区END-->
			</view>
		</view>
	</view>
	<!--地址picker END-->
</template>

<script>
	import {
		lotusAddressJson
	} from "./Winglau14-lotusAddress.js";
	export default {
		props: ['lotusAddressData'],
		data() {
			return {
				visible: false,
				province: [],
				city: [],
				town: [],
				provinceName: '',
				cityName: '',
				townName: '',
				type: 0, //0新增1编辑
				pChoseIndex: -1,
				cChoseIndex: -1,
				tChoseIndex: -1
			};
		},
		methods: {
			//取消
			cancelPicker() {
				const provinceCode = this.getTarId(this.provinceName);
				const cityCode = this.getTarId(this.cityName);
				const townCode = this.getTarId(this.townName);
				this.visible = false;
				this.$emit("choseVal", {
					province: this.provinceName,
					provinceCode,
					city: this.cityName,
					cityCode,
					town: this.townName,
					townCode,
					isChose: 0,
					visible: false
				});
			},
			//获取最后选择的省市区的值
			chosedVal() {
				this.type = 1;
				const provinceCode = this.getTarId(this.provinceName);
				const cityCode = this.getTarId(this.cityName);
				const townCode = this.getTarId(this.townName);
				this.visible = false;
				let isChose = 0;
				//已选省市区 isChose = 1
				if ((this.provinceName) || (this.provinceName && this.cityName) || (this.provinceName && this.cityName &&
						this.townName)) {
					isChose = 1;
				}
				this.$emit("choseVal", {
					province: this.provinceName,
					provinceCode,
					city: this.cityName,
					cityCode,
					town: this.townName,
					townCode,
					isChose,
					visible: false
				});
			},
			//获取省市区value
			getTarId(name, type) {
				let id = 0;
				lotusAddressJson.map((item, index) => {
					if (item.name === name) {
						id = item.value;
					}
				});
				return id;
			},
			//获取市数据
			getCityArr(parentId) {
				let city = [];
				lotusAddressJson.map((item, index) => {
					if (item.parent === parentId) {
						city.push(item.name);
					}
				});
				return city;
			},
			//获取区数据
			getTownArr(parentId) {
				let town = [];
				lotusAddressJson.map((item, index) => {
					if (index > 34 && item.parent === parentId) {
						town.push(item.name);
					}
				});
				return town;
			},
			//初始化数据
			initFn() {
				if (!this.province.length) {
					lotusAddressJson.map((item, index) => {
						if (index <= 34) {
							this.province.push(item.name);
						}
					});
				}
				//已选择省市区，高亮显示对应选择省市区
				const p = this._props.lotusAddressData.provinceName;
				const c = this._props.lotusAddressData.cityName;
				const t = this._props.lotusAddressData.townName;
				//已选省
				if (p) {
					this.pChoseIndex = this.getTarIndex(this.province, p);
				}
				//已选市
				if (p && c) {
					const pid = this.getTarId(p);
					this.city = this.getCityArr(pid);
					this.cChoseIndex = this.getTarIndex(this.city, c);
				}
				//已选区
				if (p && c && t) {
					const cid = this.getTarId(c);
					this.town = this.getTownArr(cid);
					this.tChoseIndex = this.getTarIndex(this.town, t);
				}
				//未选省市区
				if (!p && !c && !t) {
					this.pChoseIndex = -1;
					this.cChoseIndex = -1;
					this.tChoseIndex = -1;
					this.city = [];
					this.town = [];
				}
			},
			//获取已选省市区
			getChosedData() {
				const pid = this.getTarId(this.provinceName, 'province');
				this.city = this.getCityArr(pid);
				const cid = this.getTarId(this.cityName, 'city');
				this.town = this.getTownArr(cid);
				//已选省市区获取对应index
				if (this.provinceName) {
					this.pChoseIndex = this.getTarIndex(this.province, this.provinceName);
				}
				if (this.cityName) {
					this.cChoseIndex = this.getTarIndex(this.city, this.cityName);
				}
				if (this.townName) {
					this.tChoseIndex = this.getTarIndex(this.town, this.townName);
				}
			},
			//选择省市区交互
			clickPicker(type, index, name) {
				//省
				if (type === 0) {
					this.pChoseIndex = index;
					this.provinceName = name;
					this.cChoseIndex = -1;
					this.tChoseIndex = -1;
					this.cityName = '';
					this.townName = '';
				}
				//市
				if (type === 1) {
					this.cChoseIndex = index;
					this.cityName = name;
					this.tChoseIndex = -1;
					this.townName = '';
				}
				//区
				if (type === 2) {
					this.tChoseIndex = index;
					this.townName = name;
				}
				//获取省市区数据
				this.getChosedData();
			},
			//获取已选省市区index
			getTarIndex(arr, tarName) {
				let cIndex = 0;
				arr.map((item, index) => {
					if (item === tarName) {
						cIndex = index;
					}
				});
				return cIndex;
			}
		},
		computed: {
			checkStatus() {
				let t = null;
				const _this = this;
				if (!_this.visible) {
					_this.visible = _this._props.lotusAddressData.visible;
					//获取省市区
					_this.provinceName = _this._props.lotusAddressData.provinceName;
					_this.cityName = _this._props.lotusAddressData.cityName;
					_this.townName = _this._props.lotusAddressData.townName;
					//生成初始化数据
					_this.initFn();
					t = _this.visible;
				}
				return t;
			}
		}
	}
</script>

<style lang="scss">
	@import "./Winglau14-lotusAddress.css";
</style>